Accession Number:

ADA172753

Title:

Aerial Surveys of Endangered Whales in the Northern Bering, Eastern Chukchi, and Alaskan Beaufort Seas, 1985: With a Seven Year Review, 1979-85.

Descriptive Note:

Final rept. Jul-Oct 85,

Corporate Author:

NAVAL OCEAN SYSTEMS CENTER SAN DIEGO CA

Personal Author(s):

• Ljungblad,Donald K.
• Moore,Sue E.
• Clark,Janet T.
• Bennett,John C.

Report Date:

1986-08-01

Pagination or Media Count:

446.0

Abstract:

Aerial surveys and acoustic recordings of bowhead whales and secondarily, other marine mammals were made from mid-July 1985 through October 1985 in the northern Bering eastern Chukchi, and Alaskan Beaufort Seas. Survey results and observations on bowhead distribution, relative abundance and density, migration patterns, general behavior, and sound production are presented. Presented here also are survey results and observations on gray whale distribution, relative abundance, and general behavior. Incidental sightings of all marine mammals are reported.

Descriptors:

• *WHALES
• AERIAL RECONNAISSANCE
• MEASUREMENT
• COASTAL REGIONS
• OBSERVATION
• ALASKA
• POPULATION
• STATISTICAL ANALYSIS
• ENDANGERED SPECIES
• SONOBUOYS
• GEOGRAPHIC DISTRIBUTION
• MARINE BIOLOGICAL NOISE
• BEAUFORT SEA
• CHUKCHI SEA
• BERING SEA

Subject Categories:

• Biological Oceanography

Distribution Statement:

APPROVED FOR PUBLIC RELEASE